.menu{
	position: absolute;
	width: 18%;
	height: 640px;
	left: 16px;
	top: 46px;
}
.principal{
	position: relative;
	width: 80%;
	height: 640px;
	top: 28px;
	left: 20%;
	right: 10%;
}
h1{
	text-align: center;
}
.titulo{
	margin-top: 20%;
}
h3{
	text-align:center;
}

table, th, td{
	border: 1px solid black;
}
th{
	background-color: black;
	color: white;
}
.mencao{
	width: 120px;
}
.div_botoes{
	width: 246px;
	height: 58px;
	left: 394px;
	display: block;
	position: absolute;
	top: 1096px;
}
.botoes{
	width: 120px;
	height: 50px;
	left: 200px;
}
